2381972940 has 48 divisors (see below), whose sum is σ = 7410584160. Its totient is φ = 635192640.

The previous prime is 2381972933. The next prime is 2381972977. The reversal of 2381972940 is 492791832.

2381972940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2204991 + ... + 2206070.

It is an arithmetic number, because the mean of its divisors is an integer number (154387170).

Almost surely, 2^2381972940 is an apocalyptic number.

2381972940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2381972940 is an abundant number, since it is smaller than the sum of its proper divisors (5028611220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2381972940 is a wasteful number, since it uses less digits than its factorization.

2381972940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4411079 (or 4411071 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2381972940 is about 48805.4601453567. The cubic root of 2381972940 is about 1335.5052752191.

The spelling of 2381972940 in words is "two billion, three hundred eighty-one million, nine hundred seventy-two thousand, nine hundred forty".